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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
751 | comment_author( $comment ); |
752 | echo '</strong><br />'; |
753 | if ( ! empty( $author_url_display ) ) { |
754 | printf( '<a href="%s">%s</a><br />', esc_url( $author_url ), esc_html( $author_url_display ) ); |
755 | } |
756 |
|
757 | if ( $this->user_can ) { |
758 | if ( ! empty( $comment->comment_author_email ) ) { |
759 | /** This filter is documented in wp-includes/comment-template.php */ |
760 | $email = apply_filters( 'comment_email', $comment->comment_author_email, $comment ); |
761 |
|
762 | if ( ! empty( $email ) && '@' !== $email ) { |
763 | printf( '<a href="%1$s">%2$s</a><br />', esc_url( 'mailto:' . $email ), esc_html( $email ) ); |
764 | } |
765 | } |
766 |
|
767 | $author_ip = get_comment_author_IP( $comment ); |
768 | if ( $author_ip ) { |
769 | $author_ip_url = add_query_arg( |